Rain Gutter POWER #3 - Fidgeting With Turbines!

A lot of engineering involves iteration. In this video I iterate through several turbine designs, searching for the most efficient conversion of the water jet to mechanical power. The logic that a smaller diameter will spin the generator faster, quickly runs up against the total power available and efficiency of the turbine itself. Lesson learned: power generation is not as simple as we’d like to think!

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Thanks for watching…

-Quint


This is Part 3 of my series on generating power from rain gutters.
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For part 1:
https://youtu.be/S6oNxckjEiE

For part 2:
https://youtu.be/YLb4enCgnP4

Thanks for watching

-Quint

Music:
- Ready Set Go by Magic In the Other from YouTube Audio Library https://www.youtube.com/audiolibrary/…
- Music promoted by MUSIC FOR YOUTUBE https://youtu.be/rNxk8_sGHLA

Pelton simulation depicted in video:
https://www.flow3d.com/simulating-pelton-turbines/

Summary:
In part 1 I connected an off-the-shelf DC generator to a pelton wheel and drove it with runoff from a large section of my roof. Though I calculated 2 watts of available power and planned on only collecting 50% of it, the actual output was only .19 watts.
In part 2 I design and build a permanent magnet alternator then rectify the AC into DC power to enhance the efficiency.
In part 3 I iterate nozzle and turbine designs to see if we can get a full watt of power.